Speaker



FIG. 1 is a front perspective view of a speaker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a top plan thereof; and,

FIG. 6 is bottom plan view thereof.

The broken line showing in the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the speaker, as shown and described. 